447667252745543 has 4 divisors (see below), whose sum is σ = 447667382816688. Its totient is φ = 447667122674400.

The previous prime is 447667252745509. The next prime is 447667252745633. The reversal of 447667252745543 is 345547252766744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 447667252745543 - 2¹⁶ = 447667252680007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447667252745143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59728658 + ... + 66804543.

It is an arithmetic number, because the mean of its divisors is an integer number (111916845704172).

Almost surely, 2^{447667252745543} is an apocalyptic number.

447667252745543 is a deficient number, since it is larger than the sum of its proper divisors (130071145).

447667252745543 is a wasteful number, since it uses less digits than its factorization.

447667252745543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130071144.

The product of its digits is 4741632000, while the sum is 71.

The spelling of 447667252745543 in words is "four hundred forty-seven trillion, six hundred sixty-seven billion, two hundred fifty-two million, seven hundred forty-five thousand, five hundred forty-three".